SSH Legacy Key Algorithms

Sometimes you have some kit that is just old and isn’t supporting the recent (and secure) key algorithms. If you connect from a client without the correct set of ciphers available, so the client and the server can come to some agreement on a mutually supported cipher set, you’ll see an error such as: If … Read more

AWS Transit Gateway with VPN to On-Premise Palo Alto Firewall

The AWS Transit Gateway can be used to join the networking of many VPCs (in the same or different AWS Accounts) within the same region together to facilitate communication, it may also be used in conjunction with DX (Direct Connect) or Site-to-Site VPNs to provide connectivity to other Cloud Platforms but additionally to on-premise networks … Read more

VMware vCenter – “Exception in invoking authentication handler User password expired”

An appliance that was deployed over 90 days old with no changes made to the default settings. When attempting to logon to the VAMI console of the appliance i.e. https://vcenter.domain.com:5480 you get the message: “Exception in invoking authentication handler User password expired”. To resolve this you need to reset the password, then set it not … Read more